\documentclass{article}
% translate with >> pdflatex -shell-escape <file>

% This file is used as unit test for pgfplots, copyright by Christian Feuersaenger.
% 
% See
%   http://pgfplots.sourceforge.net/pgfplots.pdf
% for pgfplots.
%
% Any required input files (for <plot table> or <plot file> or the table package) can be downloaded
% at
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/
% and
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/plotdata/

\usepackage{pgfplots}
\pgfplotsset{compat=1.4}

\pagestyle{empty}

\begin{document}

\begin{tikzpicture}
%\tracingmacros=2 \tracingcommands=2
	\begin{axis}
	\addplot[patch]
	table {
		x y z
		0 0 0
		1 1 0
		2 0 0
		%
		1 1 0
		2 0 0
		3 1 0
		%
		2 0 0
		3 1 0
		4 0 0
		%
	};
	\end{axis}
\end{tikzpicture}
\end{document}

